import java.util.Scanner;
class  Shuiwen {
    public static void main(String[] args){
        Scanner scan = new Scanner(System.in);
        int weter = scan.nextInt();
        if (weter>95){
            System.out.println("ˮ");
        }
        else if (weter>70&&weter<=95){
            System.out.println("ˮ");
        }
        else if (weter>40&&weter<=70){
            System.out.println("ˮ");
        }
        else{
            System.out.println("ˮ");
        }
        scan.close();
    }
}